Home / 537,678.29-806,517.47-222,143.40

Finding the Fourth Proportional to 537,678.29, 806,517.47 and 222,143.40

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Solution

The fourth proportional to 537,678.29, 806,517.47 and 222,143.40 is: 333,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,678.29 : 806,517.47 = 222,143.40 : x
  2. Step 2: Convert to fraction form
    537,678.29/806,517.47 = 222,143.40/x
  3. Step 3: Cross multiply
    537,678.29x = 806,517.47 × 222,143.40
  4. Step 4: Simplify right side
    537,678.29x = 179,162,533,500.56
  5. Step 5: Solve for x
    x = 179,162,533,500.56/537,678.29
  6. Step 6: Final answer
    x = 333,215.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.